Pluma yuensis Liang, Solovyev & Wang, 2023

Liang, Jiamin, Solovyev, Alexey V. & Wang, Houshuai, 2023, Pluma, a new genus of slug moths (Lepidoptera: Limacodidae) from South China with descriptions of two new species, Zootaxa 5301 (2), pp. 246-256 : 254

Pluma yuensis Liang, Solovyev & Wang sp. nov.

urn:lsid:zoobank.org:act:A1AAACFB-179E-4B24-8D60-45FED990F1EC

( Figs 5 , 11 , 13 )

Diagnosis. This new species is externally similar to P. shuni sp. nov., but can be distinguished from the latter by its smaller size and vesica bearing three clusters of cornuti instead of two.

Description. Adult ( Figs 5 , 13 ). Male. Forewing length 8–9 mm. Antennae strongly bipectinate up to the tip, with dark brown–yellow long combs. Forns and vertex covered with beige bristles. Ocellus absent, proboscis reduced. Labial palpus pale brownish-yellow, straight. The ground color grayish brown. The head and thorax brown; the abdomen dark gray. Wing venation with Sc and R 1 almost parallel, R 2, R 3 and R 4 stalked, R 3 +R 4 branching from R 2, M 1 originates from middle of outer margin of discal cell. Hindwing dorsally grayish brown, cilia dark gray; Sc+R 1 curve strongly, Rs and M 1 stalked basally. Legs brown gray; hind tibiae with four slender spurs.

Male genitalia ( Fig. 11 ). Uncus slender with acute and strongly sclerotized apex. Gnathos well developed and slender.. Valvae simple and elongate, without saccular processes. Juxta flattened. Aedeagus tube-shaped, slightly curved and short. The vesica bears three clusters of spines.

Female unknown.

Type materials. Holotype: ♁, Nanling Mts. , Shaoguan City, Guangdong Province, China, 28–VI–2022, leg. Min Wang. Paratype: 1 ♁, same locality as holotype, 28–VI–2010, leg. Min Wang.

Distribution. China (Guangdong Province).

Etymology. The species name is given after the Chinese word “Yue”, an abbreviation of Guangdong Province.

Figures

FIGURE 13. Venation of Pluma yuensis sp. nov., male, paratype.

FIGURES 2–5. Adults. 2–4. Pluma shuni sp. nov. (2. male, holotype; 3–4. males, paratypes); 5. Pluma yuensis sp. nov. (male, holotype). Scale bars = 10 mm.

FIGURES 8–11. Genitalia of Pluma spp. 8. Pluma shuni sp. nov., male, holotype; 9. ditto, male, paratype; 10. ditto, male, paratype; 11. Pluma yuensis sp. nov., male, holotype. Scale bars = 1 mm.